/Engine/Source/Runtime/RHI/Public/RHIResources.h
class FRayTracingPipelineStateInitializer : public [FRayTracingPipelineStateSignature](API\Runtime\RHI\FRayTracingPipelineStateSignatur-)
FRayTracingPipe...
BasePipeline
Ray tracing pipeline may be created by deriving from the existing base.
bool
bBackgroundCompilation
Hints to the RHI that this PSO is being compiled by a background task and will not be needed immediately for rendering.
bool
bPartial
Partial ray tracing pipelines can be used for run-time asynchronous shader compilation, but not for rendering.